0001126975-14-000044 8-K 1 20140424 5.07 20140430 20140430 MAGELLAN MIDSTREAM PARTNERS LP 0001126975 4610 731599053 DE 1231 8-K 34 001-16335 14797473 ONE WILLIAMS CENTER, MD 28-1 TULSA OK 74172 918 574 7000 ONE WILLIAMS CENTER, MD 28-1 TULSA OK 74172 WILLIAMS ENERGY PARTNERS L P 20001024 8-K 1 form8-k2014annualmeetingvo.htm 8-K